OPERATING METHOD OF HELIUM REFRIGERATOR,申请号JP19890323758-传众专利搜索

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发明名称	OPERATING METHOD OF HELIUM REFRIGERATOR
摘要
申请公布号	JPH03186159(A)	申请公布日期	1991.08.14
申请号	JP19890323758	申请日期	1989.12.15
申请人	HITACHI LTD;HITACHI TECHNO ENG CO LTD	发明人	UEDA HIRONOBU;YOSHIMATSU YUKIYOSHI;HARADA SUSUMU;WATANABE SHIGEO
分类号	F25B9/06	主分类号	F25B9/06
代理机构		代理人
主权项
地址

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